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1、初中英语课件现在完成时第1页，本讲稿共26页Present perfect tense 现在完成时现在完成时v构成:v用法一：动作发生在过去，对现在有影响。have/has+过去分词第2页，本讲稿共26页v1.都表示过去发生的事v2.现在完成时强调过去和现在的联系，不能和具体的时间状语连用；v3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用（last,ago,yesterday,etc.）presentpastI have lived here for two yearsI have lived here for two yearsI lived there 2 years ago
2、I lived there 2 years ago和过去时态的区别及联系：20072009第3页，本讲稿共26页Eddie was born four years ago.pastpresentEddie has lived with Millie since he was born.pastpresentEddie has lived with Millie for four years.第4页，本讲稿共26页 We use the present perfect tense to talk about things that started in the past and continue
3、 to the present.We also use the present perfect tense to talk about things that happened in the past and have connection with the present.第5页，本讲稿共26页movelivelovelike写出下列动词的过去式和过去分词写出下列动词的过去式和过去分词:visitrepairwatchfinishvisited visited repaired repairedwatched watchedfinished finishedmoved moved lived
4、 lived loved loved liked liked verbed以以e结尾结尾d第6页，本讲稿共26页写出下列动词的过去式和过去分词写出下列动词的过去式和过去分词:stopmoptrapplanstopped stopped mopped moppedtrapped trappedplanned planned注注:以一个辅音字母结尾的重读闭音节词以一个辅音字母结尾的重读闭音节词,双双写最后一个辅音字母写最后一个辅音字母ed双写双写edstudy hurrystudied studiedhurried hurried去去yied注注:以辅音字母加以辅音字母加y结尾的词结尾的词,去去y
5、ied.第7页，本讲稿共26页写出下列动词的过去式和过去分词写出下列动词的过去式和过去分词:begive seemake put comewritewas/were beengave givensaw seenmade madeput putcame comewrote written第8页，本讲稿共26页eg.1.He had his breakfast at 6:00 He has had his breakfast.2.When did you come here?I watched the football match on TV at 9:00.第9页，本讲稿共26页Adverbs
6、of time before,by now(so far),once,twice,just,recently yet(否否/疑疑),already(肯肯),ever,never,all ones life,in/during the past/last 5 years,第10页，本讲稿共26页Exercisesv1.I _(have)lunch already.v2.Has the train_(arrive),yet?v3.Tome _ never_(be to)China.v4.The twin _just _(see)my father.v5.The twins _(see)my fat
7、her just now.have hadarrivedhasbeen tohasseensaw第11页，本讲稿共26页v用法二用法二：for+段时间段时间 since+点时间点时间 since+句子（过去时）句子（过去时）E.g.Kate has lived here for 3 years.Kate has lived here since 3 years ago.Kate has lived here since she came to China.表示过去某个时间开始的动作或表示过去某个时间开始的动作或存在的状态，一直持续到现在并存在的状态，一直持续到现在并可能还将持续下去。动词使用延
8、可能还将持续下去。动词使用延续性动词。常与续性动词。常与forfor或或sincesince引导引导的时间连用的时间连用第12页，本讲稿共26页since 和和for:1)Eddie has lived with Millie since 2001.Eddie has lived with Millie since 4 years ago.Eddie has lived with Millie since he was born.小结小结:since+时间点时间点（词、词组或句子）词、词组或句子）2)Eddie has lived with Millie for four years.小结小结
9、:for+时间段时间段 3)对以上句子划线部分提问对以上句子划线部分提问:How long has Eddie lived with Millie?第13页，本讲稿共26页1.We have learned English _ Grade Three in primary school.We have learned English _ five years.2.He hasnt felt well _ last night.Has he seen the doctor?3.I have read this story book _ three days ago.I havent finish
10、ed reading it yet.选用选用since 或或for 填空填空:sinceforsincesince第14页，本讲稿共26页4.It has snowed _ two days.Everything is covered with snow.5.We have cleaned the classroom _ half an hour.6.We have studied at this school _ 2003.forforsince第15页，本讲稿共26页常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变常见非延续性动词和延续
11、性动词的转变varrive/come/go to die vbecome a borrowvLeave/move vbuy openvjoin vstart/begin finish/endvcatch a cold get up vget to know get out vclose wake upvgo to sleepvbecome interested in be in be deadhavekeepbe away/be out be abe in/a member ofbe openbe onbe overhave a coldbe upknowbe outbe closedbe a
12、wakebe asleep/sleepbe interested in第16页，本讲稿共26页Exercises vHis father has died.(for 2 years)vThe football match has begun.(since9:00a.m)vThe twins have joined the army.(since they are 18years old)vMy teacher has just left Nanjing.(for 3 days)His father has been dead for 2 years.The football match has
13、 been on since 9:00 a.m.The twins have been soldiers/been in the army since they are 18years old.My teacher has been away from Nanjing for 3 days第17页，本讲稿共26页重点句型重点句型:It is/has been+段时间段时间+since从句从句 段时间段时间+has passed+since从句从句eg.他死了两年了：He died two years ago.He has been dead for two years/since two ye
14、ars ago It is/has been two years since he died.Two years has passed since he died.第18页，本讲稿共26页v1.这本书我借了一个月了。I borrowed this book a month ago.It is/has been a month since I borrowed the book.I have kept the book for a month./since a month ago.A month has passed since I borrowed the book.第19页，本讲稿共26页H
15、ave/has gone tohave/has been to have/has been invhave/has gone to:已经去了或在途中，还没有返回；vhave/has been to:曾今去过某地，现在已经回来了,后面可接表示“次数”的状语;vhave/has been in:表示某人“已在某地停留一段时间，现仍在那里”，其后常带表示一段时间的状语。第20页，本讲稿共26页Exercises vTom 在哪儿？他去书店买书了。v我在北京待了5年了。vJack 去过上海两次了-Where is Tom?-He has gone to the bookshop to buy some
16、 books.I have been in Beijing for 5 years.Jack has been to Shanghai twice.第21页，本讲稿共26页改错改错:1.The students has cleaned the classroom.The classroom is clean now.2.Mum has cook supper.Supper is ready now.3.I see the new film.It is interesting.4.His family lived here since 2000.5.I try on the hat.It doe
17、snt suit me.havecookedhave seenhave livedhave tried第22页，本讲稿共26页1.He _(wait)for an hour.2.I _(not finish)the work yet.3._ you _(know)him since then?4.I _(not hear)from my brother for a long time.5.We _(be)there many times since 3 years ago.Fill in the blanks with the correct forms of the verbs.has wa
18、itedhavent finishedHave knownhavent heardhave been第23页，本讲稿共26页6.How long _ you _(stay)at home already?7.He _(not read)the book before.8.Her sister _(go)to Changchun.She_(leave)this morning.9.He _(live)in his hometown since he left here.10.The writer _(finish)several story-books since 1990.havestayed
19、hasnt readhas gonelefthas livedhas finished第24页，本讲稿共26页把下例句子译成英语把下例句子译成英语:1 南京自南京自1995年以来发生了很大的变化年以来发生了很大的变化.2 南京已经成为一个现代化的城市南京已经成为一个现代化的城市.3你们在这个乡村住了多久了你们在这个乡村住了多久了?4他结婚了吗他结婚了吗?是的是的,他已经结婚他已经结婚6年了年了.Nanjing has changed a lot since 1995.Nanjing has turned into a modern city.How long have you lived in
20、 the village?Has he got married?yes,he has been married for six years.第25页，本讲稿共26页Correcting v1.I have borrowed the book for 3 months.v2.My bother has joined the army since he was 18.v3.Jack and Tom have lived here since 5years.v4.The film has been on since I have come to the cinema.v5.When has Mr.Li caught a bad cold?have kepthas been in/been a member of the armysince 5 years ago/for 5 yearscame didcatch第26页，本讲稿共26页